<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			
			
			.underline{
				
				text-decoration: underline;
				
			}
			.overline{
				
				text-decoration: overline;
				
			}
			.line-through{
				
				text-decoration: line-through;
				
			}
			.underline{
				
				text-decoration: none;
				
			}
		</style>
	</head>
	<body>
		
		<p class="underline"> 我有下划线</p>
		<p class="overline"> 我有上划线</p>
		<p class="line-through"> 我有删除划</p>
		<p class="none"> 我没有下划线</p>
	</body>
</html>
